1511f33857
- Updated DBIS_ConversionRouter and DBIS_SettlementRouter to utilize IDBIS_EIP712Helper for EIP-712 hashing and signature recovery, improving stack depth management. - Refactored minting logic in DBIS_GRU_MintController to streamline recipient processing. - Enhanced BUILD_NOTES.md with updated build instructions and test coverage details. - Added new functions in DBIS_SignerRegistry for duplicate signer checks and active signer validation. - Introduced a new submodule, DBIS_EIP712Helper, to encapsulate EIP-712 related functionalities. Made-with: Cursor
78 lines
2.4 KiB
Solidity
78 lines
2.4 KiB
Solidity
// SPDX-License-Identifier: MIT
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pragma solidity ^0.8.20;
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/**
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* @title DBIS_EIP712Lib
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* @notice External library for EIP-712 hashing and ecrecover (delegatecall = own stack).
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*/
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library DBIS_EIP712Lib {
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function hashAddressArray(address[] calldata arr) external pure returns (bytes32) {
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bytes32[] memory hashes = new bytes32[](arr.length);
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for (uint256 i = 0; i < arr.length; i++) {
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hashes[i] = keccak256(abi.encode(arr[i]));
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}
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return keccak256(abi.encodePacked(hashes));
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}
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function hashUint256Array(uint256[] calldata arr) external pure returns (bytes32) {
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bytes32[] memory hashes = new bytes32[](arr.length);
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for (uint256 i = 0; i < arr.length; i++) {
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hashes[i] = keccak256(abi.encode(arr[i]));
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}
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return keccak256(abi.encodePacked(hashes));
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}
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function getMintAuthStructHash(
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bytes32 typeHash,
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bytes32 messageId,
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bytes32 isoType,
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bytes32 isoHash,
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bytes32 accountingRef,
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uint8 fundsStatus,
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bytes32 corridor,
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uint8 assetClass,
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bytes32 recipientsHash,
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bytes32 amountsHash,
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uint64 notBefore,
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uint64 expiresAt,
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uint256 chainId,
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address verifyingContract
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) external pure returns (bytes32) {
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return keccak256(abi.encode(
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typeHash,
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messageId,
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isoType,
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isoHash,
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accountingRef,
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fundsStatus,
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corridor,
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assetClass,
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recipientsHash,
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amountsHash,
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notBefore,
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expiresAt,
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chainId,
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verifyingContract
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));
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}
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function getDigest(bytes32 domainSeparator, bytes32 structHash) external pure returns (bytes32) {
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return keccak256(abi.encodePacked("\x19\x01", domainSeparator, structHash));
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}
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function recover(bytes32 digest, bytes calldata signature) external pure returns (address) {
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require(signature.length == 65, "DBIS: sig length");
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bytes32 r;
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bytes32 s;
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uint8 v;
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assembly {
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r := calldataload(signature.offset)
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s := calldataload(add(signature.offset, 32))
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v := byte(0, calldataload(add(signature.offset, 64)))
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}
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if (v < 27) v += 27;
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require(v == 27 || v == 28, "DBIS: invalid v");
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return ecrecover(digest, v, r, s);
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}
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}
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